diff --git a/packages/server/src/api/routes/utils/validators.js b/packages/server/src/api/routes/utils/validators.js
index 63bdd81ca7..b27bca92cb 100644
--- a/packages/server/src/api/routes/utils/validators.js
+++ b/packages/server/src/api/routes/utils/validators.js
@@ -161,6 +161,7 @@ exports.screenValidator = () => {
   return joiValidator.body(Joi.object({
     name: Joi.string().required(),
     showNavigation: OPTIONAL_BOOLEAN,
+    width: OPTIONAL_STRING,
     routing: Joi.object({
       route: Joi.string().required(),
       roleId: Joi.string().required().allow(""),